Metra 70-1857 Tuner Relocation and Bose Integration Harness for Select GM Vehicles
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About this product
Bypass harness lets you replace the factory radio in select Bose|R| equipped 1990 to 1996 GM vehicles using the existing wiring and connectors. This harness bypasses the remote tuner in certain vehicles, while retaining use of the Bose|R| audio system. Includes antenna extension. 21 pin plug.Price History
- Best price now: $32.00 at eBay β the lowest price we've recorded.
- Lowest recorded: $32.00 at eBay on Oct 11, 2026
- Highest recorded: $32.72 at Amazon on Sep 17, 2026
- Tracked since Jul 6, 2026 across 2 retailers (9 price checks)